package com.mud.dnd.frontend.web.filters;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.mud.dnd.frontend.web.mbeans.MyCardsBean;

/**
 * Servlet Filter implementation class LoginFilter
 */
public class LoginFilter implements Filter {

    /**
     * Default constructor. 
     */
    public LoginFilter() {
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see Filter#destroy()
	 */
	public void destroy() {
		// TODO Auto-generated method stub
	}

	/**
	 * @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain)
	 */
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		 HttpServletRequest req = (HttpServletRequest) request;
	     MyCardsBean myCardsBean = (MyCardsBean) req.getSession().getAttribute("myCardsBean");
	     if( myCardsBean!=null && myCardsBean.isLoggedIn())
	     {
	    	// pass the request along the filter chain
	 		chain.doFilter(request, response); 
	     }else
	     {
	    	 HttpServletResponse res = (HttpServletResponse) response;
	          res.sendRedirect(req.getContextPath() + "/login.xhtml");
	     }

		
	}

	/**
	 * @see Filter#init(FilterConfig)
	 */
	public void init(FilterConfig fConfig) throws ServletException {
		// TODO Auto-generated method stub
	}

}
